A) given out
B) absorbed
C) not involved
D) given out or absorbed
Correct Answer: A
Solution :
In exothermic reaction heat is always given out \[\Delta H=\Sigma {{H}_{\rho }}-\Sigma {{H}_{R}}\] and for exothermic reaction\[\Sigma {{H}_{R}}>\Sigma {{H}_{\rho }}\].
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